Practice problem
What is the area of this triangle?
40 ft240\text{ ft}^{2}40 ft2
20 ft220\text{ ft}^{2}20 ft2
13 ft213\text{ ft}^{2}13 ft2
6.5 ft26.5\text{ ft}^{2}6.5 ft2
Type a concept, like “slope” or “photosynthesis”.
